function sum(a, b) {
  return a + b;
}
console.log(sum(1, 2));

let eventTarget$2 = class EventTarget {
  listenersData = {
    listeners: {},
    listenerData: {}
  }
  on() {
    return 'boxue is 666';
  }
}

// function sum(a, b) { return a + b; } console.log(sum(1, 2)); let eventTarget$2 = class EventTarget { listenersData = { listeners: {}, listenerData: {} }; on() { return 'boxue is 666'; } }
